CN100457280C - Separating method and system for waste paper and waste plastic mixture - Google Patents
Separating method and system for waste paper and waste plastic mixture Download PDFInfo
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- CN100457280C CN100457280C CNB2005100460491A CN200510046049A CN100457280C CN 100457280 C CN100457280 C CN 100457280C CN B2005100460491 A CNB2005100460491 A CN B2005100460491A CN 200510046049 A CN200510046049 A CN 200510046049A CN 100457280 C CN100457280 C CN 100457280C
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Abstract
A method for separating out waste paper and waste plastic form their mixture including preliminary selecting, using magnetic separator to select out magnetic impurities, using hand to pick up large impurity block without plastic, using fan to blow impurities with different gravities into different grooves at different distance, using mechanical rubbing machine to separate paper fiber from plastic, using single stage floating tank to beat floating matters for releasing paper fiber off, storing floated out plastic and palletizing them for reutilization.
Description
Technical field
The invention belongs to papermaking and environmental protection field, relate to the paper pulp waste residue and handle, specifically a kind of waste paper, waste plastic mixture separation method and system that from the paper pulp waste material in paper mill, extracts plastics.
Background technology
In the paper making raw material in modern times, waste paper occupies very big ratio, 1,280 ten thousand tons of China's imported waste papers last year, and increase with annual 36% speed, having considerable in these waste paper again is the composite of paper and plastics.The paper mill can be separated this part material in the raw material separation process, accounts for 5% of waste paper amount, because it is very tight that the paper fiber of this part material combines with plastics, can't separate with common separating technology, so this part can not be utilized by the paper mill again, become the paper pulp waste residue.Traditional method is that this part waste residue is burned or buries.This method not only causes great pollution to environment, also is a kind of huge wastage of material simultaneously.
A kind of separation equipment has been arranged now, adopt technological process as Fig. 1, this part method such as the paper mixing waste is pulverized, precipitated, filtration, flotation of moulding of being discarded by the paper mill is separated impurity (comprising stone, metal, timber, cotton yarn, silt) wherein, simultaneously paper pulp and plastics are separated, paper pulp can be sent the paper mill again back to, and plastics granulation again become plastic raw materials.Concrete way is: earlier the paper pulp waste residue (comprising a spot of paper, plastics, metal (magnetic, nonmagnetic), stone, sand, timber and other waste materials) of the humidity that will ship from pulp mill with quantitative belt conveyer scale 1 is sent into rotary screen 2 with certain speed, the arrival end of rotary screen 2 is accompanied by charging in rotation slowly a little more than the port of export.Part particle foreign material can drop on to be collected on the belt conveyer 3, transported rotary screen reject bin 4 then, remaining relatively large waste residue is from the port of export output of rotary screen 2, send into first pulverizer 6 through the belt conveyer 5 that continues, in first pulverizer 6 shower water is arranged, the foreign material of bulk are ground into fritter, are output to the first open seperator 7 again, a water spray simultaneously stirs and feeding with the screw feeding bar therein.After first open seperator 7 outputs, enter first starch dispensing machine 8 once again, mixing foreign material after being pulverized and stir therein carry out stirring powerfully and precipitating, heavier sandstone, precipitated metal is to the bottom, two-door gate valve by first starch dispensing machine 8 is discharged to starch dispensing machine reject bin 9, contain of the top output of the lighter mixing foreign material of a large amount of plastics from first starch dispensing machine 8, enter pulverization process for the second time, second pulverizer 10 will mix and enter the second open seperator 11 after foreign material are pulverized once again again, one road spray, one the tunnel stirs, one the tunnel transmits a mixing foreign material sends into flotation cell 12, divides a plurality of pilot trench in the flotation cell 12, and the water level of each pilot trench reduces successively, contain PP, PE, the foreign material of OPP plastics are lighter, float on the water surface, contain the heavier of PVC plastics, sink to bottom land gradually.Floating thing falls at the different pilot trench of multistage height, whenever falls once and just beats once, realizes separating of paper fiber and plastic hybrid.Be deposited in suction pipe 13 sucking-offs that the mixture of each pilot trench of flotation cell bottom is driven by vavuum pump, suction pipe 13 mobile by manually finishing.In the end PP, the PE, the OPP plastics that drift out of pilot trench are admitted to feed bin 15 through the 6th open seperator 14 and cause plastic raw materials to reclaim with plastic granulator 16.The mixture that sinks to the PVC of bottom land is pressed into sticking plaster, does boiler oil.
There is following problem in process of production in present separation equipment:
1. primary election process is too simple, and primary election efficient is low, and it is insufficient that impurities in raw materials is separated, and handles for follow-up flotation and brings very big difficulty.
2. water consumption is big, promptly industrial water is not recycled in the main work links floatation process of system, causes the pollution again of water resource waste and waste water.
3. the rubbing fully of tectorial paper that plastic foil and paper are combined closely makes the paper fiber enter the plastics of granulation, has influenced the quality that reclaims the back plastics.
4. flotation is insufficient, makes a small amount of PVC plastics mix and can't separate with PP, PE, OPP, makes the back three cause the granulation failure because the PVC that is mixed with foams in the process of heating granulation.
5. use artificial mobile suction pipe alternately operating in a plurality of flotation pilot trench in the flotation, sucking-off is deposited in bigger plastics and the stone and the metal impurities of proportion of flotation cell bottom, very requires great effort, and condition of work is abominable, and efficient is very low.
6. because the discharge of flotation cell is limited, often cause floating thing to be blocked in the marginal upstream side of each pilot trench.Just can not guarantee that discharging is normal, has seriously influenced production efficiency if do not carry out a large amount of manual interventions.
Summary of the invention
The purpose of this invention is to provide a kind of organic efficiency height, energy-conservation, realize waste paper, waste plastic mixture separation method and the system of operation automation simultaneously.
Technical scheme of the present invention for achieving the above object is as follows: the paper mixing waste is pulverized, is precipitated, filtration, floatation process to moulding of being discarded by the paper mill, treatment step is: 1) primary election: remove part granule impurity in the paper pulp waste residue by the rotary screen sieve, the granule impurity that sifts out is simultaneously sent into ash can; 2) magnetic separation: it is sent in the magnetic separation seperator again, by magnetic separation the ferromagnetism impurity in the paper pulp waste residue is separated, the granule impurity that sifts out is simultaneously sent into ash can; 3) picking: the paper pulp waste residue after magnetic separation separated is sent into the artificial screening platform, is separated by artificial bulk impurity that will wherein be easy to pick up, that do not contain plastics; 4) selection by winnowing: send into the selection by winnowing seperator again, arrive in the different groove of winnowing machine distance, metal, silt, timber, plastics are separated by the different impurity of the wind specific gravity of separation; 5) pulverize: the paper pulp waste residue of the comparison cleaning that obtains after the selection by winnowing is sent into pulverizer pulverize; 6) loose slurry and precipitation: the paper pulp waste residue after will pulverizing enters in the open seperator, after the immersion by shower water and the stirring of screw feeding bar the paper pulp waste residue of remainder is sent into starch dispensing machine; Free paper scrap is loose into paper pulp stay in the slurries, sandstone in the paper pulp waste residue or metal are sink to the back, bottom and discharge; 7) rubbing and separate: above-mentioned isolated plastics of also adhering some paper fibers are sent into kneading rolling screen, carry out machinery and crumple, make that the paper fiber on the composite of plastics and paper can be separated with plastics as much as possible; 8) flotation and precipitation: the paper pulp waste residue after step 7) is handled is sent into single-stage horizontal floatation cell, floating thing on the water surface is constantly patted the fibre shedding of promotion paper, and promote floating thing lentamente and move to the discharging port, deposit is concentrated to the material collecting tank bottom, is transported to the waste material well and takes out; 9) with the plastics warehouse, the granulation that floatingly select, produce the plastic raw materials that can be used again;
In the described diffusing slurry process of step 6), the liquid of discharging when discharging heavy silt, small metal particles becomes low SS index water through treatment conversion, recycles again; The single-stage horizontal floatation cell related to flotation carries out water treatment;
Comprise quantitative pan feeding machine, second tin roller sieve, the 3rd pulverizer, the 3rd open seperator, second starch dispensing machine, the 4th open seperator, the 5th open seperator, plastics warehouse, comminutor, its quantitative pan feeding machine is located at second tin roller sieve arrival end, the 3rd pulverizer port of export is connected to the 3rd open seperator, second starch dispensing machine, the 4th open seperator is positioned at the system middle part, and the 5th open seperator rear portion is connected to plastics warehouse, comminutor successively; Below rotary screen, establish first belt feeder and ash can; Also comprise magnetic separation seperator, artificial screening platform, selection by winnowing seperator, kneading rolling screen, single-stage horizontal floatation cell, be provided with magnetic separation seperator, artificial screening platform successively at second tin roller sieve outlet end, the artificial screening platform is connected to the selection by winnowing seperator by second belt feeder, the 3rd pulverizer arrival end is given a dinner for a visitor from afar by the 3rd belt feeder and is selected seperator, the kneading rolling screen arrival end is positioned at the second starch dispensing machine port of export, its port of export is connected to the 4th open seperator, and single-stage horizontal floatation cell is installed between the 4th open seperator and the 5th open seperator; Wherein on second starch dispensing machine, single-stage horizontal floatation cell, add water treatment facilities respectively;
The concrete structure of described kneading rolling screen comprises metallic screen, quill shaft, support, roller set, has pivoted arm, the sheath of the rubbing palm, wherein: metallic screen is installed quill shaft in metallic screen by fore-stock, after-poppet, installation is supported by the roller set of raceway and its below in two end, and roller set is connected with the driving connecting axle; Outside metallic screen, be with sheath, a plurality of pivoted arms of configuration on described quill shaft; Described pivoted arm is a hollow structure, and an end is sleeved on the quill shaft by hollow sleeve, has formed the hollow rubbing pivoted arm structure that spiral distributes, and the other end is equipped with the rubbing palm, and the rubbing palm is held up flexibly on the inwall of metallic screen; On the centre of the palm of the rubbing palm a plurality of water bursts hole is arranged, the position that quill shaft is corresponding with pivoted arm is provided with interior water burst hole, is configured into water pipe and links to each other with quill shaft; The described quill shaft other end is connected with the combination of the first motor deceleration machine;
The concrete structure of described single-stage horizontal floatation cell comprises cell body, scratch board conveyor, spiral pendulum oar, belt sieve, water treatment facilities, elevator, wherein cell body is a structure wide at the top and narrow at the bottom, two ends are provided with charging port, discharging port, in its bottom material collecting tank is arranged, to the end of discharging port one waste material well is set in material collecting tank; In path that the waste material well is provided with by oblique upper and hoist installation together; A plurality of spirals pendulum oars are the Waterwheel-type structure, and are parallel, equidistantly be arranged in the top of cell body, and scratch board conveyor passes the cell body bottom part ring in Waterwheel-type spiral pendulum oar top, is closing structure; Belt is set respectively sieves, be connected to water treatment facilities separately in the exit of discharging port and elevator.
Compared with prior art the present invention has more following beneficial effect:
Major function of the present invention is the plastics that reclaim in the paper pulp waste residue, and the economic benefit of weighing native system so has two aspects, the one, the plastics recovery rate, the available plastics that reclaim in the paper pulp waste residue promptly per ton quantity.The 2nd, reclaim the energy and the water yield that each ton plastics are consumed.The present invention has improved the processing procedure of known technology and the structure of related facility, make the available plastics of recovery purer, and the energy and water consumption is still less, proposed a new technical process and structure, more help the recovery of plastics, and very strong practicality is arranged again.Specific as follows:
1. the energy consumption of handling paper pulp waste residue per ton is lower.Because the primary election stage of the present invention used magnetic separation, selection by winnowing, removed metal sundries with less energy consumption cost, sandstone, and the iron in the metal sundries separated with non-ferrous metal, make regenerant have more value.
Equipment life longer, maintenance cost is still less.Owing to before pulverization process, increased picking among the present invention, conspicuous bulk foreign material to be selected, the load that has reduced pulverizer has effectively prolonged equipment life, has also reduced maintenance cost.
3. reclaim the better quality of plastics.Owing to increased kneading rolling screen among the present invention, strengthened the rubbing of plastic film coated waste paper (this is the main body that the present invention reclaims plastics) is handled.Increased of the beating of waterwheel former in the flotation cell to floating thing, make paper pulp fiber separate with plastics cleaner recovery PVC plastics more, quality is also just better.
4. has environment protection significance.The present invention has increased wastewater treatment in a plurality of process procedures; physical sedimentation and chemicals solidify and use; the renewal water that has reduced the SS index is circulated in system repeatedly, not only reduced water consumption and also reduced sewage flow rate, still environmental protection is all significant for reducing cost.
5. engineering efficient is higher.Because the present invention adopted new flotation cell in floatation process, the sediment in the cell body all and automatical and efficient discharge having been exempted the artificial hard work that the obstruction of sediment operation and eliminating floating thing is extracted in circulation between a plurality of pilot trench.Pre-select owing to increased the less magnetic separation of cost, selection by winnowing, the rubbish that later process is difficult to handle has been picked out in picking, has shortened the processing time effectively, has won efficient.
Description of drawings
Fig. 1 is the process structure schematic diagram that extracts plastics with the immediate public technology of the present invention from the paper pulp waste residue.
Fig. 2 is the present invention reclaims plastics from the paper pulp waste residue technological process and an equipment connection diagram.
An embodiment overall structure schematic diagram of the kneading rolling screen that the paper pulp waste residue is crumpled that Fig. 3-1 increases in the technological process of plastics for the present invention reclaims from the paper pulp waste residue.
Fig. 3-2 is embodiment stereogram of kneading rolling screen of the present invention (having put on display the syndeton that central shaft drove and crumpled arm).
Fig. 3-3 is another embodiment stereogram of kneading rolling screen of the present invention (put on display the structure of flushing water inlet duct and discharging opening, and the upper jacket plate is opened back demonstration rotary screen skeleton structure schematic diagram).
Fig. 3-4 is the structural representation of the rubbing arm among Fig. 3-1.
Fig. 3-5-1 is that the rubbing palm at the rubbing arm disposes the structural representation in water burst hole among Fig. 3-1.
Fig. 3-5-2 be among Fig. 3-1 on the hollow sleeve of rubbing arm the structural representation in water burst hole in the idler arm in the configuration.
Fig. 3-6-1 is the front view of the rubbing arm in the kneading rolling screen of the present invention.
Fig. 3-6-2 is the cutaway view (having put on display from the channel design of rubbing centre of the palm water burst) of Fig. 3-6-1.
Single-stage horizontal floatation cell structural representation during Fig. 4-the 1st, the present invention reclaim the technological process of plastics from the paper pulp waste residue flotation is handled (among the figure material collecting tank and waste material well have been done broken section, shown the structure of the bucket elevator that disposes in the scratch board conveyor that in material collecting tank, disposes and the waste material well).
Fig. 4-1-1 is installed in the bevel gear engagement detailed structure enlarged drawing that reaches on the driving shaft on the oar axle among Fig. 4-1.
Fig. 4-2 is the lateral side view of single-stage horizontal floatation cell of the present invention (having showed the structure on the rack-mount and coagulation earthen platform of belt sieve in the structure).
Fig. 4-3 is the structural representation of belt sieve among Fig. 4-1.
Fig. 4-4 is a spiral pendulum oar assembling schematic diagram among Fig. 4-1.
Fig. 4-5 is a single spiral pendulum paddle structure schematic diagram among Fig. 4-4.
Label declaration
1 is quantitative first belt conveyer scale, and 2 is first rotary screen, and 3 for collecting belt conveyer, 4 is the rotary screen reject bin, 5 are the belt conveyer that continues, and 6 is first pulverizer, and 7 is the first open seperator, 8 is first starch dispensing machine, 9 is the starch dispensing machine reject bin, and 10 is second pulverizer, and 11 is the second open seperator, 12 is flotation cell, and 13 is suction pipe;
21 is quantitative pan feeding machine; 22 are the second tin roller sieve, and 23 is first belt feeder, and 24 is ash can; 25 are the magnetic separation seperator; 26 is the artificial screening platform, and 27 is second belt feeder, and 28 is the selection by winnowing seperator; 29 is the 3rd belt feeder; 30 is the 3rd pulverizer, and 31 is the 3rd open seperator, and 32 is second starch dispensing machine; 321 is first water treatment facilities; 33 is kneading rolling screen, and 34 is the 4th open seperator, and 35 is single-stage horizontal floatation cell; 36 is bucket elevator; 38 is the 5th open seperator, and 39 is the plastics warehouse, and 40 is comminutor.
331 is metallic screen, and 332 is the steel band skeleton, and 333 is the axial groove steel skeleton, 334 is raceway, and 335 is first roller, and 336 is second roller, 337 is the 3rd roller, and 338 is the 4th roller, and 339 for driving connecting axle, 3310 is the combination of second motor reducer, and 3311 is aperture, and 3312 is charging aperture, 3313 is discharging opening, and 3314 is fore-stock, and 3315 is after-poppet, 3316 is quill shaft, 3317 is pivoted arm, and 33171 is hollow sleeve, and 33172 is the interior water burst hole of middle idler arm, 3318 are the rubbing palm, 33181 is water burst hole, the centre of the palm, and 3319 is sheath, and 33191 is upper jacket, 33192 is lower jacket, 33193 are lower jacket reinforcement gusset, and 33194 are the boundary reinforcement, and 33196 is the waste residue groove, 3320 is water inlet pipe, and 3321 is the combination of first motor reducer.
351 is cell body, and 352 are charging port, 353, be scratch board conveyor, 354 are spiral pendulum oar, and 355 are the discharging port, 356 is first belt sieve, and 357 is material collecting tank, and 358 is the waste material well, 359 is elevator, and 3510 is the path, and 3511 is second belt sieve, 3512 is second water treatment facilities, and 3513 is the 3rd water treatment facilities, and 3531 is first guide wheel, 3532 is second guide wheel, and 3533 is the 3rd guide wheel, and 3534 is four guide idler, 3535 is steel wire rope, and 3536 is scraper plate, and 3541 is the oar axle, 3542 is blade, and 3543 are cover, and 3544 is bearing block, 3545 is bevel gear, and 3546 is driving shaft, and 3547 is the driving shaft bearing, 3561 is deflector roll, and 3562 is travelling belt, and 3563 are the chute that catchments, 3564 is the deflector roll axle sleeve, and 3565 is recovering hopper, and 3566 is support, 3567 is brace table, 3591 is the elevator guide wheel, and 3592 for carrying bucket, and 3593 for carrying the bucket steel wire rope, 3594 is the elevator support, and 35121 is pipeline.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 2; system equipment of the present invention is made up of 14 parts altogether; they are: quantitative pan feeding machine 21; second tin roller sieve 22; magnetic separation seperator 25; artificial screening platform 26; selection by winnowing seperator 28; the 3rd pulverizer 30; the 3rd open seperator 31; second starch dispensing machine 32; kneading rolling screen 33; the 4th open seperator 34; single-stage horizontal floatation cell 35; the 5th open seperator 38; plastics warehouse 39; comminutor 40; its syndeton is: quantitatively pan feeding machine 21 is located at second tin roller and sieves 22 arrival ends; sieve 22 ports of export at second tin roller and be provided with magnetic separation seperator 25; through artificial screening platform 26; second belt feeder, 27 backs are to selection by winnowing seperator 28; the 3rd pulverizer 30 receives from the refuse material of selection by winnowing seperator 28 outputs by the 3rd belt feeder 29; and deliver to the 3rd open seperator 31; second starch dispensing machine 32; kneading rolling screen 33 arrival ends are positioned at second starch dispensing machine, 32 ports of export; its port of export is connected to the 4th open seperator 34; single-stage horizontal floatation cell 35 is installed between the 4th open seperator 34 and the 5th open seperator 38, and the 5th open seperator 38 rear portions are connected to plastics warehouse 39 successively; comminutor 40.
Wherein: below rotary screen 22, establish first belt feeder 23 and ash can 24; On second starch dispensing machine 32, add first water treatment facilities 321; In single-stage horizontal floatation cell 35, also be provided with spiral pendulum oar 354, discharging opening 355, material collecting tank 357, and be provided with scratch board conveyor 353 in material collecting tank 357 is provided with waste material well 358 at the end of material collecting tank 357.
The concrete structure of the described kneading rolling screen 33 of present embodiment is shown in Fig. 3-1,3-2,3-3, the columnar metallic screen 331 outer channel-section steel skeletons 333 that add multiple tracks ring steel belt skeleton 332 and axial annular distribution, the two ends of channel-section steel skeleton 333 have disposed the ring raceway 334 of steel, ring raceway 334 is fixed together the columnar metallic screen 331 of together support with channel-section steel skeleton 333.
The raceway 334 of metallic screen 331 front ends is supported by first roller 335, second roller 336 that are provided with thereunder, and its rear end raceway 334 is supported by the 3rd roller 337, the 4th roller 338 that are arranged on the below, and these 4 groups of rollers drive metallic screen 331 and rotate.In 4 groups of rollers, first roller 335 and the 3rd roller 337 link together with driving connecting axle 339 as active roller, drive its rotation by second motor reducer combination 3310.Second roller 336, the 4th roller 338 are return idler.
One end of metallic screen 331 is feed end (establishing charging aperture 3312), and the other end is discharge end (establishing discharging opening 3313).The angled setting of the axis of metallic screen 331 and horizontal plane, feed end is a little more than discharge end.
Disposed fore-stock 3314, after-poppet 3315 at the two ends of input and output material, front and back support in the axis upper support of columnar metallic screen 331 an orthohexagonal quill shaft 3316, helically has disposed the pivoted arm 3317 of a plurality of hollows again on quill shaft 3316.
Shown in Fig. 3-4,3-5-2, disposed the hollow sleeve 33171 that matches with orthohexagonal quill shaft 3316 sizes on the pivoted arm 3317 of the present invention, the middle idler arm 3317 that will have hollow sleeve 33171 successively in the same way is sleeved on the quill shaft 3316 of orthohexagonal, make pivoted arm 3317 have directionality, the angle of adjacent pivoted arm 3317 is 60 degree, has so just formed the hollow rubbing pivoted arm structure that spiral distributes.
Shown in Fig. 3-5-1,3-5-2, the free end of each pivoted arm 3317 is equipped with the rubbing palm 3318 that rubber or plastic cement are made, and the rubbing palm 3318 is held up on the inwall of metallic screen 331 (butt) flexibly.
Be configured into water pipe 3320 on after-poppet 3315, link to each other with quill shaft 3316 axle center, water pipe 3320 is inserted into quill shaft 3316 inner certain depths and is furnished with sealing ring, prevents quill shaft 3316 leak in rotary course (referring to Fig. 3-3).
Shown in Fig. 3-5-1,3-6-1,3-6-2, the rubbing palm 3318 has a plurality of water bursts hole 33181 on the centre of the palm of metallic screen 331 walls.The rubbing of quill shaft 3316 and hollow is with the interior water burst hole 33172 that reservation is arranged on the corresponding position of pivoted arm 3317, the water of being sent into by water pipe 3320 is sent to the centre of the palm of the rubbing palm 3315 by quill shaft 3316, pivoted arm 3317, through interior water burst hole 33172 like this, and infiltrates the waste paper of being handled by rubbing from the water burst hole 33181 in the centre of the palm.
Assembled the first motor deceleration machine combination 3321 that drives quill shaft 3316 rotations on fore-stock 3314, metallic screen 331 rotates with quill shaft 3313 under the driving of second motor deceleration machine combination, 3310 and first motor deceleration machine combination 3321.
The cylindrical sheath 3319 coaxial that also has that one deck thin plate makes of the outside of metallic screen 331 with tubular metallic screen 331, sheath 3319 fastening structure that first sheath 33191 and second sheath 33192 are formed of serving as reasons, radially reinforcement 33193 of multiple tracks is established in second sheath 33192 belows, and there is a waste residue groove 33196 that is provided with vertically in the centre of second sheath 33192.Go up on the line of demarcation of second sheath 33191,33192, twice boundary reinforcement 33194 is respectively arranged vertically, use bolt that this 4 road boundary reinforcement is tightened together in twos, make the cylindrical sheath 3319 of first sheath 33191, second sheath 33192 synthetic integral body.
The course of work of the described kneading rolling screen 33 of present embodiment is such:
The paper pulp waste residue that preceding working procedure was handled enters metallic screen 331 by charging aperture 3312, it rotates control procedure: metallic screen 331 rotates with identical direction with quill shaft 3316, quill shaft 3316 was static when metallic screen 331 rotated, quill shaft 3316 rotated when metallic screen 331 was static, make the inwall of the rubbing palm 3318 relative metallic screens 331 produce reciprocating motion in opposite directions, the action of imitation people rubbing garments on washboard, 3318 clampings of the rubbing palm the paper pulp waste residue that enters metallic screen 331 and are ceaselessly crumpled on the inwall of metallic screen 331 under its centre of the palm gushes out the immersion of water, isolated paper fiber will be gone out sieve aperture 3311 by water, because the arrival end of metallic screen 331 of the present invention is higher than the port of export, the paper pulp waste residue that enters kneading rolling screen will move to discharging opening 3313 from charging aperture 3312 under the effect that the water of gravity dashes, in the process that moves, crumpled repeatedly and wash the overlay film plastics that impel in the paper pulp waste residue and thoroughly separate with the paper fiber.Plastics after the separation are discharged from discharging opening 3313.
The sieve aperture 3311 that paper pulp that is separated in rubbing is handled or paper fiber are gone out metallic screen 1 by water is fallen the inwall of cylindrical sheath 3319, and flows to concentrate in the waste residue groove 33196 along inwall and discharge.
The concrete structure of the described single-stage horizontal floatation cell 35 of present embodiment is shown in Fig. 4-1,4-2,4-3,4-4, mainly form by cell body 351, scratch board conveyor 353, Waterwheel-type spiral pendulum oar 354, belt sieve 356, second water treatment facilities 3512, bucket elevator 359, the 3rd water treatment facilities 3513, wherein cell body 351 is a structure wide at the top and narrow at the bottom, two ends are provided with charging port 352, discharging port 355, in its bottom material collecting tank 357 is arranged, arranged a waste material well 358 (its bottom is lower than the bottom of material collecting tank 357) to the end of discharging opening 355 in material collecting tank 357; Arranged a path 3510 at the oblique upper of waste material well 358 again, it is prepared for elevator 359 is installed.A plurality of spirals pendulum oars 354 be the Waterwheel-type structure, and are parallel, equidistantly be arranged in the top of cell body 351, and scratch board conveyor 353 passes cell body 351 bottom part ring and puts oar 354 tops in the Waterwheel-type spiral, is closing structure; Belt sieve 356 is set in the exit of discharging opening 355 and bucket elevator 359 respectively, and is connected to second water treatment facilities 3512 and the 3rd water treatment facilities 3513 respectively, the water after the processing returns the porch through pipeline 35121.
Described scratch board conveyor 353 is by 4 guide wheels, first guide wheel 3531, second guide wheel 3532, the 3rd guide wheel 3533, four guide idler 3534 are guiding two groups of steel wire ropes 3535, be equipped with abreast on the steel wire rope 3535 several scraper plate 3536, the first guide wheels 3531, second guide wheel 3532 be installed in cell body 351 center lines above.The 3rd guide wheel 3533, four guide idler 3534 are installed in the material collecting tank 357 of bottom of cell body 351, make scraper plate 3536 installation sites on the scratch board conveyor 353 near the bottom of material collecting tank 357.Its length connects material collecting tank 357, and extends in the waste material well 358.
Shown in Fig. 4-1, the present invention adopts Waterwheel-type spiral pendulum oar 354, and an oar axle 3541 is arranged, and its two ends are cylindrical, and mid portion is an orthohexagonal.By the bearing block 44 at two ends, it is straddled on the cell body 1, shown in Fig. 4-4, the cover 3543 that one orthohexagonal is arranged on the blade 3542, its size, shape match with oar axle 3541, and a plurality of blades 3542 are sleeved on the oar axle 3541 successively, and adjacent blade 3542 keeps 60 degree angles.Oar axle 41 is installed bevel gears 3545, constitutes oar axle group, is installed on the cell body 351 by bearing block 44 together again, the structure that the top that is formed on cell body 1 is parallel, equidistantly arrange a plurality of pendulum oars 354.The bevel gear 3545 of each oar axle 41 meshes (referring to Fig. 4-1-1), driving shaft 3546 is installed on the cell body 351 by a plurality of driving shaft bearings 3547 with the bevel gear that is installed on the driving shaft 3546.
Shown in Fig. 4-1, the elevator 359 of bucket type of the present invention is installed in the path 3510, by two groups of elevator guide wheels 3591, two head and the tail closed carry bucket steel wire rope 3593, and several carry bucket 3592 and form, one group in two groups of guide wheels 3591 is installed in 3510 bottoms, path, in waste material well 358, another group is raised the top that machine support 3594 is supported on path 3510 outlets, article two, carrying bucket steel wire rope 3593 is enclosed within on the guide wheel 3591, carry the bucket 3592 along same direction be distributed on carry the bucket steel wire rope 3593 on, the axis of bucket elevator is consistent with the axis in path.
Shown in Fig. 4-1, described belt sieve 356 is installed in the exit of the discharging port 355 and the bucket elevator 359 of cell body 351 respectively; Continue the respectively outlet of the scraper-trough conveyer 3563 that catchments that is installed in belt sieve 356 of second water treatment facilities 3512 and the 3rd water treatment facilities 3513 is connected to the charging port 352 of cell body 351 again by circulating water pipeline 35121.
Shown in Fig. 4-3, belt sieve 356 is by 2 deflector rolls 3561, the travelling belt 3562 that has sieve aperture, chute 3563 catchments, belt sieve support 3566 is formed, and two deflector rolls 3561 are contained in respectively on two deflector roll axle sleeves 3564 on the chute 3563 that catchments, and the travelling belt 3562 that has sieve aperture is enclosed within on the deflector roll 3561 with suitable tension force, the catchment top of chute 3563 and travelling belt 3562 has disposed a recovering hopper 3565, prevents to drop on the material landing from the side on the travelling belt 3562.Simultaneously, the belt sieve is supported on the cell body 351 by support 3566, is directly installed on simultaneously on the concrete brace table 3567; The principle that supports is such: belt sieve 356 has two outlets, and one is the outlet of belt sieve 356 solids that go out, and one is to catchment the water out of chute 3563, and the solids outlet is high, and water out is low.
Operation principle of the present invention: in cell body 1, be full of water earlier, the paper pulp waste residue that preceding working procedure was handled enters cell body 351 from charging port 352, enter and comprising the slightly big plastic pvc of proportion in the paper pulp waste residue of cell body 351 than water, the paper fiber that preceding working procedure is residual, yarn fiber, slightly be lighter than the plastics PP of water with proportion, OPP, PE etc., this be the plastics that reclaim (at this moment they all the group of stirring is together, and swim in waterborne), enter cell body 351 afterwards for to facilitate the floating thing of the group of stirring to open dispersion, the present invention has utilized Waterwheel-type spiral pendulum oar 354 floating thing that constantly strikes waters from the arrival end to the port of export, they are scattered, the purpose of using pendulum oar 354 is in order to strengthen the tearing effect in patting suspension, its blade 3542 is patted on the floating thing under the driving of driving mechanism by turns, because blade 3542 is narrower, when patting on the floating thing, it only gets to the part of floating thing, a part of getting to is pressed in the water, a part of not getting to floats on waterborne, the resistance of water makes to produce between these two parts tears effect, thereby further impels the floating thing of the group of stirring to scatter.Along with floating thing constantly scatters, under the effect of gravity, PVC, yarn fiber, the paper fiber slowly sinks to bottom land, and whole beating and precipitation process are carried out in the distance of discharging port 355 continuously at the pan feeding port 352 of cell body 1.Blade 3542 also constantly promotes floating thing and moves to the discharging port, makes operation smooth and easy.
The section of described cell body 351 narrows down near trench bottom the time gradually, and form a material collecting tank 357 that width is narrower, sediment is just automatically collected in the material collecting tank 357 of cell body 351 like this, effective transport section of scratch board conveyor 353 is installed in the bottom land of material collecting tank 357 simultaneously, under the driving of driving mechanism, sediment is constantly pushed the waste material well 358 of material collecting tank 357 ends, continuously the sediment in the waste material well 358 3510 is discharged from the path once more by elevator 359.
That float out from discharging port 355 is the extraordinary PP of separation degree, OPP, PE, filtration through first belt sieve 356, the water of gushing out from discharging port 355, enter second water treatment facilities 3512 from the chute 3563 that catchments, low SS index water after the processing returns charging aperture 352 through circulating water pipeline 35121.
The high pollution water that from the waste material that bucket elevator is discharged, also contains a large amount of cell bodies 351 bottoms, filtration through second belt sieve 3511, solid expense material is discharged from, high pollution water enters the 3rd water treatment facilities 3513 from the chute that catchments, and treated low SS index water returns charging port 352 through circulating water pipeline 35121 again.
The described quantitative pan feeding machine 21 of present embodiment, second tin roller sieve 22, the first belt feeders 23; ash can 24, magnetic separation seperator 25, the second belt feeders 27; selection by winnowing seperator 28, the three belt feeders 29, the three pulverizers 30; the 3rd open seperator 31, the second starch dispensing machines 32, the first water treatment facilities 321; the 4th open seperator 34, first, second, third water treatment facilities, the 5th open seperator 38; plastics warehouse 39, comminutor 40 adopts prior art equipment respectively.Artificial screening platform 26 is the belt conveyer structure.
Processing method of the present invention is that system production process is as follows: the paper pulp waste residue is quantitatively sent into second tin roller sieve 22 by quantitative pan feeding machine 21 and is carried out primary election, and the granule impurity that sifts out drops on first belt feeder 23, and is admitted to ash can 24.Second tin roller sieve 22 sieves go in the paper pulp waste residue it to be sent into magnetic separation seperator 25 behind the part granule impurity again, and the ferromagnetism impurity in the paper pulp waste residue is separated.
Paper pulp waste residue after the sorting is admitted to artificial screening platform 26, and by the bulk impurity that manually will wherein be easy to pick up, all that are easy to pick up as timber, stone, cloth, metal and other do not contain the impurity of plastics and separate; So just alleviated later process at energy resource consumption and the pressure on the processing time widely.
Paper pulp waste residue through picking is sent into selection by winnowing seperator 28 by second belt feeder 27 again, arrive in the different groove of winnowing machine distance by the wind impurity that the specific gravity of separation is different, so just separation such as metal, silt, timber, plastics are come out, further alleviate later process pressure.
Relatively cleaner paper pulp waste residue is sent into pulverizer 30 again through the 3rd belt feeder 29 pulverize, do not had the impurity of stone, wood, metal or other bulks of bulk in second pulverizer 30, greatly reduced the energy consumption and the wearing and tearing of pulverizer parts.
Paper pulp waste residue after pulverizing is entered the 3rd open seperator 31, shower water and screw feeding bar are wherein arranged,, separablely go out part paper fiber (discharging) from the bottom sieve aperture of the 3rd open seperator 31 through the immersion of shower water and the stirring of screw feeding bar.
Then the paper pulp waste residue of remainder is sent into second starch dispensing machine 32; In second starch dispensing machine 32, add water and powerful stirring and gravitational settling effect are arranged.Wherein You Li paper scrap looses into paper pulp and stays in the slurries, and the proterties of plastics can not change, sandstone in the paper pulp waste residue or metal sink to the bottom of second starch dispensing machine 32, discharge by two-door gate valve, when discharging heavy silt, small metal particles, some liquid have also been discharged, these liquid convert low SS index water to through after handling in first water treatment facilities 321, are recycled to the inlet of second starch dispensing machine 32 again.Thereby further make the paper fiber separate with plastics.
Isolated plastics of also adhering some paper fibers are sent into kneading rolling screen 33, carry out the machinery rubbing, in kneading rolling screen 33, owing to equipped the plastic cement rubbing palm that can add entry from the centre of the palm, the sieve plate that makes the clamping of the rubbing palm paper pulp waste residue and kneading rolling screen under the driving mechanism effect of equipment does relatively reciprocating motion repeatedly, catches clothing just as hand and crumples on washboard.Make the paper fiber on the composite of plastics and paper to separate with plastics as much as possible.
Paper pulp waste residue after separating through rubbing type soaks and the stirring of screw feeding bar through the shower water of the 4th open seperator 34 again, from cutting out partial paper fiber wherein.
Again the paper pulp waste residue is sent into sigle-stage AC horizontal floatation cell 35.Because PP, the PE that need to reclaim, the proportion of OPP plastics is less than water, thus this part plastics will float on the surface, and other material that need not reclaim since its proportion greater than water, so this part plastics will float over slow sinking.Many spiral pendulum oars 354 are housed on sigle-stage AC horizontal floatation cell 35 tops, floating thing on the water surface is constantly patted the fibre shedding of promotion paper, and promote floating thing lentamente and move to discharging opening 355 places, the section width of tank diminishes near the bottom time gradually, and the narrower material collecting tank 357 of formation, be convenient to sedimental concentrating, scratch board conveyor 353 is equipped with in the bottom of material collecting tank 357, the waste material that sinks to floation tank bottom material collecting tank 357 is at last slowly pushed at material collecting tank 357 1 ends, and, by being installed in the bucket elevator 359 that feeds in the waste material well 358 waste material is taken out again than in the darker waste material well 358 of material collecting tank 357.Owing to when material enters single-stage horizontal floatation cell, can bring a part of paper pulp into inevitably,, when pulp density acquires a certain degree, will influence flotation effect along with the pulp density that constantly enters in the single-stage horizontal floatation cell of material is understood constantly increase.In order to address this problem, present embodiment is that single-stage horizontal floatation cell has been installed two covers, second water treatment facilities 3512, the 3rd water treatment facilities 3513, is used for reducing the pulp density in the single-stage horizontal floatation cell, and the assurance production process can normally be carried out continuously.
The plastics that floatingly selected by single-stage horizontal floatation cell 35 are sent into plastics warehouse 39 through the 5th open seperator 38 again.
At last produce the plastic raw materials that can be used again by comminutor 40.
The present invention has carried out following improvement to existing system:
1. increased magnetic separation in the rotary screen back of primary election process, ferromagnetic foreign material have been discharged with smaller energy cost.
2. increase the artificial screening platform, isolated the impurity such as metal, stone, timber, textile of bulk as much as possible, reduced the load and the fault rate of pulverizer.
3. behind the artificial screening platform, set up the selection by winnowing process again, separately with light, the heavy foreign material in the particle.Further reduce the electric power and the water consumption of subsequent technique process.
4. increased a custom-designed kneading rolling screen in starch dispensing machine (for known technology) back, the plastic flakes behind the slurry that looses has further been crumpled, with the paper fiber on the separating plastic fragment to greatest extent.This recovery to last plastics is very important, because if contain the burden that too much paper fiber can increase granulating system in the plastics, granulating system is damaged easily or makes that the plastic raw materials of producing at last is defective and becomes waste product.
5. improved the structure and the floatation process of single-stage horizontal floatation cell, be specially: 1) replaced the multi-stage stepwise flotation cell, avoided taking turns to aspirate the too low problem of operating efficiency in the pilot trench bottom that isolates with single-stage horizontal floatation cell; 2) multistage ladder tank is to beat effect for foreign material produce in falling process, improves and pats number of times, is beneficial to the separation that is attached on mixture together.The present invention has increased multiple tracks spiral pendulum oar on single-stage horizontal floatation cell top, one side is patted the suspension that simultaneously promotes in the water and is slowly moved forward, in the flotation operation that solves prior art, floating thing often produces at the upstream side of pilot trench joining place and blocks and influence the problem of operating efficiency; 3) single-stage horizontal floatation cell cross-sectional width of the present invention dwindles gradually in the place near the bottom, and forms a material collecting tank in the bottom, form promptly wide at the top and narrow at the bottom, and an end of material collecting tank is provided with the waste material well.In the material collecting tank bottom chain scraper conveyor is installed simultaneously, characteristics according to single-stage horizontal floatation cell, chain scraper conveyor is pushed in the waste material well with the material that speed slowly will be deposited in the material collecting tank, bucket elevator or the conveying worm that is provided with by the waste material well takes out again, do not have solid accumulation in order to keep the single-stage horizontal floatation cell bottom; 4) increased circular water treating system for starch dispensing machine and single-stage horizontal floatation cell, the water that circulates out from starch dispensing machine and single-stage horizontal floatation cell is reduced concentration of suspension the water fast by the method for filtering and chemical coagulation precipitates, to hang down the clear water of SS index again and send single-stage horizontal floatation cell again back to, improve flotation efficiency.The water of single-stage horizontal floatation cell can be recycled, reduce system water amount and quantity of wastewater effluent.
Claims (16)
1. waste paper waste plastic mixture separation method, the paper mixing waste is pulverized, is precipitated, filtration, floatation process to moulding of being discarded by the paper mill, it is characterized in that: treatment step is: 1) primary election: remove part granule impurity in the paper pulp waste residue by the rotary screen sieve, the granule impurity that sifts out is simultaneously sent into ash can; 2) magnetic separation: it is sent in the magnetic separation seperator again, by magnetic separation the ferromagnetism impurity in the paper pulp waste residue is separated, the granule impurity that sifts out is simultaneously sent into ash can; 3) picking: the paper pulp waste residue after magnetic separation separated is sent into the artificial screening platform, is separated by artificial bulk impurity that will wherein be easy to pick up, that do not contain plastics; 4) selection by winnowing: send into the selection by winnowing seperator again, arrive in the different groove of winnowing machine distance, metal, silt, timber, plastics are separated by the different impurity of the wind specific gravity of separation; 5) pulverize: the paper pulp waste residue of the comparison cleaning that obtains after the selection by winnowing is sent into pulverizer pulverize; 6) loose slurry and precipitation: the paper pulp waste residue after will pulverizing enters in the open seperator, after the immersion by shower water and the stirring of screw feeding bar the paper pulp waste residue of remainder is sent into starch dispensing machine; Free paper scrap is loose into paper pulp stay in the slurries, sandstone in the paper pulp waste residue or metal are sink to the back, bottom and discharge; 7) rubbing and separate: above-mentioned isolated plastics of also adhering some paper fibers are sent into kneading rolling screen, carry out machinery and crumple, make that the paper fiber on the composite of plastics and paper can be separated with plastics as much as possible; 8) flotation and precipitation: the paper pulp waste residue after step 7) is handled is sent into single-stage horizontal floatation cell, floating thing on the water surface is constantly patted the fibre shedding of promotion paper, and promote floating thing lentamente and move to the discharging port, deposit is concentrated to the material collecting tank bottom, is transported to the waste material well and takes out; 9) with the plastics warehouse, the granulation that floatingly select, produce the plastic raw materials that can be used again.
2. according to the described waste paper waste plastic mixture of claim 1 separation method, it is characterized in that: in the described diffusing slurry process of step 6), the liquid of discharging when discharging heavy silt, small metal particles becomes low SS index water through treatment conversion, recycles again.
3. according to the described waste paper waste plastic mixture of claim 1 separation method, it is characterized in that: the single-stage horizontal floatation cell related to flotation carries out water treatment.
4. waste paper waste plastic mixture piece-rate system, comprise quantitative pan feeding machine (21), second tin roller sieve (22), the 3rd pulverizer (30), the 3rd open seperator (31), second starch dispensing machine (32), the 4th open seperator (34), the 5th open seperator (38), plastics warehouse (39), comminutor (40), its quantitative pan feeding machine (21) is located at second tin roller sieve (22) arrival end, the 3rd pulverizer (30) port of export is connected to the 3rd open seperator (31), second starch dispensing machine (32), the 4th open seperator (34) is positioned at the system middle part, and the 5th open seperator (38) rear portion is connected to plastics warehouse (39) successively, comminutor (40); Establish first belt feeder (23) and ash can (24) in rotary screen (22) below; It is characterized in that: also comprise magnetic separation seperator (25), artificial screening platform (26), selection by winnowing seperator (28), kneading rolling screen (33), single-stage horizontal floatation cell (35), be provided with magnetic separation seperator (25) successively at second tin roller sieve (22) port of export, artificial screening platform (26), artificial screening platform (26) is connected to selection by winnowing seperator (28) by second belt feeder, the 3rd pulverizer (30) arrival end is given a dinner for a visitor from afar by the 3rd belt feeder (29) and is selected seperator (28), kneading rolling screen (33) arrival end is positioned at second starch dispensing machine (32) port of export, its port of export is connected to the 4th open seperator (34), and single-stage horizontal floatation cell (35) is installed between the 4th open seperator (34) and the 5th open seperator (38).
5. according to the described waste paper waste plastic mixture of claim 4 piece-rate system, it is characterized in that: wherein add water treatment facilities respectively on (35) at second starch dispensing machine (32), single-stage horizontal floatation cell.
6. according to the described waste paper waste plastic mixture of claim 4 piece-rate system, it is characterized in that: the concrete structure of described kneading rolling screen (33) comprises metallic screen (331), quill shaft (3316), support, roller set, has pivoted arm (3317), the sheath (3319) of the rubbing palm (3318), wherein: metallic screen (331) is installed quill shaft (3316) in metallic screen (331) by fore-stock (3314), after-poppet (3315), the roller set that raceway (334) and its below are passed through in two end supports installation, and roller set is connected with driving connecting axle (339); Outside metallic screen (331), be with sheath (3319), go up configuration a plurality of pivoted arms (3317) at described quill shaft (3316); Described pivoted arm (3317) is a hollow structure, one end is sleeved on the quill shaft (3316) by hollow sleeve (33171), formed the hollow rubbing pivoted arm structure that spiral distributes, the other end is equipped with the rubbing palm (3318), and the rubbing palm (3318) is held up flexibly on the inwall of metallic screen (331); On the centre of the palm of the rubbing palm (3318) a plurality of water bursts hole (33181) is arranged, the position that quill shaft (3316) is corresponding with pivoted arm (3317) is provided with interior water burst hole (33172), is configured into water pipe (3320) and links to each other with quill shaft (3316); Described quill shaft (3316) other end makes up (3321) with the first motor deceleration machine and is connected.
7. according to the described waste paper waste plastic mixture of claim 6 piece-rate system, it is characterized in that: add multiple tracks ring steel belt skeleton (332) and axially the channel-section steel skeleton (333) of annular distribution outside described metallic screen (331), in the sheath (3319), the two ends of channel-section steel skeleton (333) raceway (334) that is connected.
8. according to the described waste paper waste plastic mixture of claim 6 piece-rate system, it is characterized in that: two groups of rollers are active roller in the described roller set, by being linked together by second motor reducer combination (3310) and driving connecting axle (339).
9. according to the described waste paper waste plastic mixture of claim 6 piece-rate system, it is characterized in that: described pivoted arm (3317) helically is arranged on the empty axle (3316).
10. according to the described waste paper waste plastic mixture of claim 6 piece-rate system, it is characterized in that: described sheath (3319) is for cylindrical, and is coaxial with metallic screen (331), the fastening structure that serve as reasons first sheath (33191) and second sheath (33192) are formed; Radially reinforcement (33193) of multiple tracks is established in described second sheath (33192) below, there is a waste residue groove (33196) that is provided with vertically in the centre of second sheath (33192), and the fastening boundary reinforcement (33194) of twice is respectively arranged on the line of demarcation of first sheath (33191), second sheath (33192) vertically.
11. according to the described waste paper waste plastic mixture of claim 4 piece-rate system, it is characterized in that: the concrete structure of described single-stage horizontal floatation cell (35) comprises cell body (351), scratch board conveyor (353), spiral pendulum oar (354), belt sieve, water treatment facilities, elevator (359), wherein cell body (351) is a structure wide at the top and narrow at the bottom, two ends are provided with charging port (352), discharging port (355), in its bottom material collecting tank (357) is arranged, to the end of discharging port (355) a waste material well (358) is set in material collecting tank (357); Be installed together with elevator (359) in the path (3510) that waste material well (358) is provided with by oblique upper; A plurality of spirals pendulum oars (354) be the Waterwheel-type structure, and are parallel, equidistantly be arranged in the top of cell body (351), and scratch board conveyor (353) passes cell body (351) bottom part ring above Waterwheel-type spiral pendulum oar (354), is closing structure; Belt sieve (356) is set in the exit of discharging port (355) and elevator (359) respectively, is connected to water treatment facilities separately.
12. according to the described waste paper waste plastic mixture of claim 11 piece-rate system, it is characterized in that: described waste material well (358) bottom is lower than the bottom of material collecting tank (357).
13. according to the described waste paper waste plastic mixture of claim 11 piece-rate system, it is characterized in that: described scratch board conveyor (353) is for to guide two groups of steel wire ropes (3535) structure by some guide wheels, a plurality of scraper plates (3536) are housed on steel wire rope (3535) abreast, the guide wheel that is installed in the bottom of cell body (351) is positioned at material collecting tank (357), and the scraper plate (36) of the bottom of cell body (1) extends in the waste material well (8); The guide wheel that is installed in cell body (351) top is positioned at spiral pendulum oar (354) two ends.
14. according to the described waste paper waste plastic mixture of claim 11 piece-rate system, it is characterized in that: described spiral pendulum oar (354) has an oar axle (3541), bearing block (3544) by two ends straddles it on cell body (351), and a plurality of blades (3542) are sleeved on oar axle (3541) by cover (3543).
15. according to the described waste paper waste plastic mixture of claim 11 piece-rate system, it is characterized in that: described elevator (359) is the bucket type structure, be installed in the path (3510), by two groups of elevator guide wheels (3591), article two, head and the tail are closed carries bucket steel wire rope (3593), and several carry bucket (3592) composition, one group in two groups of guide wheels (3591) is installed in bottom, path (3510), in waste material well (358), another group is raised the top that machine support (3594) is supported on path (3510) outlet, article two, carrying bucket steel wire rope (3593) is enclosed within on the guide wheel (3591), carry bucket (3592) and be distributed on along same direction and carry on bucket steel wire rope (3593), its axis is consistent with the axis of path (3510).
16. according to the described waste paper waste plastic mixture of claim 11 piece-rate system, it is characterized in that: described belt sieve (356) is by two deflector rolls (3561), the travelling belt (3562) that has sieve aperture, chute (3563) catchments, belt sieve support (3566) is formed, two deflector rolls (3561) are contained in respectively on two deflector roll axle sleeves (3564) on the chute that catchments (3563), travelling belt (3562) is enclosed within on the deflector roll (3561), the catchment top of chute (3563) and travelling belt (3562) has disposed a recovering hopper (3565), simultaneously, the belt sieve is supported on the cell body (351) by support (3566), is directly installed on simultaneously on the concrete brace table (3567).
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| CNB2005100460491A CN100457280C (en) | 2005-03-18 | 2005-03-18 | Separating method and system for waste paper and waste plastic mixture |
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| CNB2005100460491A CN100457280C (en) | 2005-03-18 | 2005-03-18 | Separating method and system for waste paper and waste plastic mixture |
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| CN115748283B (en) * | 2022-11-10 | 2024-03-15 | 中国矿业大学 | Fiber regeneration and sticky recycling and utilizing method |
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| CN1412386A (en) * | 2001-10-16 | 2003-04-23 | 倪均达 | Paper pulp, plastics and impurity separation machine |
| CN2776554Y (en) * | 2005-03-18 | 2006-05-03 | 曾碚凯 | Separation system of waste paper waste plastic mixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072880A (en) * | 1991-09-18 | 1993-06-09 | 凤凰纤维玻璃股份公司 | Method from the composite defibre |
| CN1216483A (en) * | 1996-04-25 | 1999-05-12 | 德国“绿点”双轨制公开股份有限公司 | Process and device for the separation of viscoplastic materials such as plastics from materials such as paper which can be defibrated by mechanical action |
| CN1412386A (en) * | 2001-10-16 | 2003-04-23 | 倪均达 | Paper pulp, plastics and impurity separation machine |
| CN2776554Y (en) * | 2005-03-18 | 2006-05-03 | 曾碚凯 | Separation system of waste paper waste plastic mixture |
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